CN201152548Y - Environment-protecting energy-saving heating stove - Google Patents

Abstract

The utility model discloses an energy saving and environment protecting heating furnace which comprises a furnace body. A main combustion chamber and an ash storage chamber are arranged in the furnace body, a smoke exhaust pipe is arranged at the upper part of the furnace body, a secondary combustion chamber is arranged at the top part of the main combustion chamber, the secondary combustion chamber is connected with the smoke exhaust pipe, and an air inlet with an adjusting valve is arranged at the position where the stove body corresponds to the secondary combustion chamber. An upper water jacket is arranged at the periphery of the secondary combustion chamber and is communicated with a lower water jacket; the lower water jacket is communicated with an interbedded water jacket arranged outside the main combustion chamber; both the upper water jacket and the interbedded water jacket are communicated with a flue water jacket arranged outside the smoke exhaust pipe. The traditional direct burning way can be changed in the energy saving and environment protecting heating furnace of the utility model, a reversely burning principle is adopted, thus the CO produced in the coal burning process and the combustible gas can be burned in the secondary combustion chamber, and also a plurality of layers of water jackets are additionally arranged on the flue water jacket, thus the minimum heat loss rate can be reached, the generated heat energy can be sufficiently absorbed by the water jacket, and the effect of energy conservation and environment protection can be achieved.

Description

Energy saving and environmental protection heating furnace

technical field

The utility model relates to the field of heating and daily necessities for heating, in particular, the utility model relates to an energy-saving and environment-friendly heating furnace which can be used for heating in families and units.

Background technique

In the existing heating furnaces sold and used in the market, during the combustion process of the furnace, some coal is not fully burned, and the flue gas is directly discharged into the atmosphere through the flue. The flue gas contains a large amount of carbon monoxide, sulfur dioxide and other harmful gases and smoke, and also contains a large amount of heat. Direct discharge into the air will not only cause environmental pollution, but also cause waste of energy.

In order to solve the above-mentioned technical problems existing in the prior art, the utility model is proposed.

Utility model content

The purpose of this utility model is to address the deficiencies of the existing technology, and propose an energy-saving and environmentally friendly energy-saving and environmentally friendly method that changes the direct combustion method of the traditional stove and adopts the principle of reverse reverse combustion to carry out secondary combustion of the flue gas produced by coal combustion. Heating stove.

In order to achieve the purpose of the above-mentioned utility model, the technical solution provided by the utility model is: an energy-saving and environment-friendly heating furnace, including a furnace body, the furnace body is provided with a main combustion chamber and an ash storage chamber, and a smoke exhaust pipe is connected to the upper part of the furnace body. The upper part of the main combustion chamber is also provided with a secondary combustion chamber, the secondary combustion chamber is connected with the smoke exhaust pipe, and an air inlet with a regulating valve is provided at the position corresponding to the secondary combustion chamber outside the furnace body.

A secondary combustion secondary chamber is arranged outside the secondary combustion chamber, and the secondary combustion secondary chamber communicates with the main combustion chamber through a pyrotechnic tube.

The secondary combustion chamber communicates with the main combustion chamber through an inverted funnel-shaped channel.

The upper periphery of the secondary combustion chamber is provided with an upper water jacket, and the upper water jacket communicates with the lower water jacket through a water pipe; the lower water jacket communicates with the interlayer water jacket arranged outside the main combustion chamber; The flue water jacket outside the exhaust pipe is connected.

A refractory layer is also provided between the main combustion chamber and the interlayer water jacket.

A water return port is provided at the bottom of the interlayer water jacket; a water outlet is provided at the top of the flue water jacket.

An explosion-proof valve is provided at the upper part of the interlayer water jacket.

A dust removal port is provided at the bottom of the exhaust pipe.

A fire outlet is provided on the secondary combustion chamber, and a cover is provided on the fire outlet.

The furnace body is also provided with a furnace door and a slag removal port.

The beneficial effects of the utility model are: changing the traditional direct combustion method, adopting the principle of reverse combustion, adding a secondary combustion chamber, so that CO and combustible gas generated during the combustion process of coal are burned in the secondary combustion chamber, and the flue gas is discharged When passing through the secondary combustion chamber during the process, it can also burn when it encounters a high temperature of 750 ° C, and the stable combustion of the combustion chamber can be achieved by adjusting the air intake device. The multi-layer water jacket is used to add the flue water jacket to minimize the heat loss rate, and the heat energy generated is fully absorbed by the water jacket to achieve the effect of environmental protection and energy saving.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of the utility model energy-saving and environment-friendly heating furnace;

Fig. 2 is the front view of the external structure of the utility model energy-saving and environment-friendly heating furnace;

Fig. 3 is a top view of the external structure of the utility model energy-saving and environment-friendly heating furnace.

Detailed ways

Specific embodiments of the present utility model are described in detail below in conjunction with the accompanying drawings.

Fig. 1 is a schematic cross-sectional structure diagram of an energy-saving and environment-friendly heating furnace of the present invention, Fig. 2 is a front view of the external structure, and Fig. 3 is a top view of the external structure, as shown in Fig. 1, 2 and 3, the energy-saving and environment-friendly heating furnace of the present invention includes a Body 1, furnace body 1 is provided with main combustion chamber 2, ash storage chamber 3, furnace body 1 is provided with furnace door 22 and slag removal port 23, the upper part of furnace body 1 is connected with a smoke exhaust pipe 4, the main combustion chamber 2 The upper part is also provided with a secondary combustion chamber 5, the secondary combustion chamber 5 is connected with the smoke exhaust pipe 4, the secondary combustion chamber 5 communicates with the main combustion chamber 2 through an inverted funnel-shaped passage 9, and the secondary combustion chamber 5 is provided with an outlet The fire port 20 and the fire port 20 are provided with a cover 21 . An air inlet 7 with a regulating valve 6 is provided outside the furnace body 1 corresponding to the position of the secondary combustion chamber 5, and the secondary combustion chamber 5 is provided with a secondary combustion auxiliary chamber 8, which communicates with the main combustion chamber 8 through the pyrotechnic tube 9. The combustion chamber 2 communicates.

The upper periphery of the secondary combustion chamber 5 is provided with an upper water jacket 10, and the upper water jacket 10 communicates with the lower water jacket 12 through the water pipe 11; the lower water jacket 12 communicates with the interlayer water jacket 13 located outside the main combustion chamber 2; the upper water jacket 10 and the interlayer water jacket 13 are all in communication with the flue water jacket 14 arranged outside the exhaust pipe 4, a refractory layer 15 is also provided between the main combustion chamber 2 and the interlayer water jacket 13, and a water return port is provided at the bottom of the interlayer water jacket 13 16. An explosion-proof valve 18 is provided on the upper part of the interlayer water jacket 13; a water outlet 17 is provided on the top of the flue water jacket 14.

A dust removal port 19 is provided at the bottom of the smoke exhaust pipe 4 for conveniently removing smoke and dust in the smoke exhaust pipe.

The utility model uses the secondary air inlet device on the upper part of the furnace body 1 - the air inlet 7 with the regulating valve 6 to enter the secondary air, and mixes it with the flue gas in the combustion area to gasify and burn harmful gases such as carbon monoxide in the flue gas. The heat production of the same amount of fuel is greatly increased, and at the same time, the slag is burned thoroughly, so that the concentration of atmospheric smoke and sulfur dioxide discharged into the gas is greatly reduced, which is beneficial to environmental protection.

The flame formed by the coal combustion in the main combustion chamber 2 passes through the pyrotechnic tube 9. Since the pyrotechnic tube 9 is arranged in the lower water jacket 12, the lower water jacket 12 has a large amount of radiation heating area. At the same time, the high temperature of the pyrotechnic tube 9 The flue gas violently scours the upper water jacket 10, and transfers a large amount of heat to the upper water jacket 10 and the flue water jacket 14. Through these heat exchanges, the temperature of the exhausted flue gas is reduced to below 200 degrees, which reduces the generation of flue gas emissions. heat loss.

The utility model can be provided with a plurality of pyrotechnic tubes 9, and the present embodiment is provided with 8, and the pyrotechnic tubes 9 are located in the lower water jacket 12. Even if the main combustion chamber 2 is filled with coal to seal the fire, the pyrotechnic tube 9 conducts heat and gathers the CO and combustible gas in the main combustion chamber 2 into the secondary combustion chamber 5 and the secondary combustion auxiliary chamber 8 to continue burning and heating The water jacket achieves the effect of making full use of heat energy, so that the indoor temperature can be maintained at a certain temperature even when the fire is closed, and the fire can not be extinguished for 24 hours. It has changed the defects of traditional heating stoves such as the heating radiator becomes cooler when the fire is sealed at night, the indoor temperature is lowered, the fire is not tightly sealed, it is easy to burn out, and it is difficult to control.

In addition, the heating stove of the utility model is a multi-purpose stove, which can be used for cooking, cooking, steaming steamed buns, boiling water, etc. without the cover 21. It not only saves coal, but also has a faster heating speed. It is also very convenient to provide heating and cooking in small units.

As is well known to those skilled in the art, the above-described embodiments only serve as demonstrations within the protection scope of the above-mentioned utility model. For those of ordinary skill in the art, there are many conventional deformations and other modifications within the protection scope defined by the utility model. Embodiments, these modifications and embodiments will all be within the protection scope of the utility model to be approved.

Claims (10)

1. An energy-saving and environment-friendly heating furnace, comprising a furnace body (1), a main combustion chamber (2) and an ash storage chamber (3) are arranged inside the furnace body (1), and a smoke exhaust pipe is connected to the upper part of the furnace body (1) (4), it is characterized in that, the top of described main combustion chamber (2) is also provided with secondary combustion chamber (5), and secondary combustion chamber (5) is connected with described exhaust pipe (4), and furnace An air inlet (7) with a regulating valve (6) is provided outside the body (1) corresponding to the position of the secondary combustion chamber (5). 2. The energy-saving and environment-friendly heating furnace according to claim 1, characterized in that, the secondary combustion chamber (5) is provided with a secondary combustion secondary chamber (8), and the secondary combustion secondary chamber (8) is heated by pyrotechnics. The pipe (9) communicates with the main combustion chamber (2). 3. The energy-saving and environment-friendly heating furnace according to claim 2, characterized in that the secondary combustion chamber (5) communicates with the main combustion chamber (2) through an inverted funnel-shaped channel (9). 4. The energy-saving and environment-friendly heating furnace according to any one of claims 1, 2 or 3, characterized in that, the upper outer periphery of the secondary combustion chamber (5) is provided with an upper water jacket (10), and the upper water jacket (10 ) is communicated with the lower water jacket (12) through the water pipe (11); the lower water jacket (12) is communicated with the interlayer water jacket (13) located outside the main combustion chamber (2); the upper water jacket (10) and the interlayer water jacket ( 13) are all communicated with the flue water jacket (14) arranged outside the smoke exhaust pipe (4). 5. The energy-saving and environment-friendly heating furnace according to claim 4, characterized in that a refractory layer (15) is also provided between the main combustion chamber (2) and the interlayer water jacket (13). 6. The energy-saving and environment-friendly heating furnace according to claim 4, characterized in that, the bottom of the interlayer water jacket (13) is provided with a water return port (16); the top of the flue water jacket (14) is provided with a water outlet Shuikou (17). 7. The energy-saving and environment-friendly heating furnace according to claim 4, characterized in that an explosion-proof valve (18) is provided at the upper position of the interlayer water jacket (13). 8. The energy-saving and environment-friendly heating furnace according to claim 1, characterized in that a dust removal port (19) is provided at the bottom of the exhaust pipe (4). 9. The energy-saving and environment-friendly heating furnace according to claim 1, characterized in that, the secondary combustion chamber (5) is provided with a fire outlet (20), and the fire outlet (20) is provided with a cover (21) . 10. The energy-saving and environment-friendly heating furnace according to claim 1, characterized in that, the furnace body (1) is further provided with a furnace door (22) and a slag removal port (23).

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